From: Paul Eggert <eggert@twinsun.com>
Date: Wed, 9 Sep 1998 21:33:50 +0000 (+0000)
Subject: Add a comment to emacs_memftime, explaining why it needs to loop.
X-Git-Tag: emacs-20.4~1731
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=be09e6e6bf034742e081b3d021a6df8fbb6151cd;p=emacs.git

Add a comment to emacs_memftime, explaining why it needs to loop.
---

diff --git a/src/editfns.c b/src/editfns.c
index 619280d73d5..cf88d69d23b 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -866,6 +866,11 @@ emacs_memftime (s, maxsize, format, format_len, tp)
 {
   size_t total = 0;
 
+  /* Loop through all the null-terminated strings in the format
+     argument.  Normally there's just one null-terminated string, but
+     there can be arbitrarily many, concatenated together, if the
+     format contains '\0' bytes.  emacs_strftime stops at the first
+     '\0' byte so we must invoke it separately for each such string.  */
   for (;;)
     {
       size_t len;